Operating System (OS)
A program

is the device where information is stored
None of these
is a sequence of instructions
is typically characterized by interactive processing and time of the CPU
is a device that performs a sequence of operations specified by instructions in memory.

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Operating System (OS)
System generation:

requires extensive tools to be understandable
is always very difficult
varies in difficulty between systems
is always quite simple
None of these

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Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

detects/corrects errors
decides correct alternative by analysing several ones
None of these
multiplexes the inputs and updates the memory accordingly
inquires to see if a terminal has any transaction to send

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Operating System (OS)
The advantage(s) of incorporating the macro processor into pass 1 is(are):

Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
All of these
many functions do not have to be implemented twice.
None of these

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